. Fig. 5. as long as they are broad. Tlie gener- ative orifices (b h) are placed near the middle of one of the margins of each joint, and are generally alternate [fig. 5, c d). The Tceiiki solium is androgyn- ous ; that is to say, it produces its ova without the necessity for the contact of two individuals, the male and female organs being contained in ; Pro- fessor Owen thus describes them : "In each joint of this worm there is a large branched ovarium {^fig. 5, /), from which a duet (//) is continued to the lateral opening; the ova are crowded in the ovary, and in those situat


. Fig. 5. as long as they are broad. Tlie gener- ative orifices (b h) are placed near the middle of one of the margins of each joint, and are generally alternate [fig. 5, c d). The Tceiiki solium is androgyn- ous ; that is to say, it produces its ova without the necessity for the contact of two individuals, the male and female organs being contained in ; Pro- fessor Owen thus describes them : "In each joint of this worm there is a large branched ovarium {^fig. 5, /), from which a duet (//) is continued to the lateral opening; the ova are crowded in the ovary, and in those situated on the pos- terior segments of the body they gener- ally present a brownish colour, which renders the form of their receptacle sufficiently conspicuous. In segments which have been expelled separately, we have observed the ovary to be nearly empty ; and it is in these that the male duct and gland are most easily perceived. For this purpose, it is only necessary to place the segment between two slips of glass, and view it by means of a simple lens, magnifying from 20 to 30


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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectdogs, bookyear1872